/* Copyright 2023-2025 jobob@qq.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.flowlong.bpm.engine.assist;

import com.flowlong.bpm.engine.exception.FlowLongException;

/**
 * 字符串处理帮助类
 *
 * <p>
 * 尊重知识产权，CV 请保留版权，爱组搭 http://aizuda.com 出品
 * </p>
 *
 * @author hubin
 * @since 1.0
 */
public class StringUtils {
    /**
     * 获取uuid类型的字符串
     *
     * @return uuid字符串
     */
    public static String getPrimaryKey() {
        return java.util.UUID.randomUUID().toString().replace("-", "");
    }

    /**
     * 判断字符串是否为空
     *
     * @param str 字符串
     * @return 是否为空标识
     */
    public static boolean isEmpty(String str) {
        return str == null || str.length() == 0;
    }

    /**
     * 判断字符串是否为非空
     *
     * @param str 字符串
     * @return 是否为非空标识
     */
    public static boolean isNotEmpty(String str) {
        return !isEmpty(str);
    }

    /**
     * 根据字符串数组返回逗号分隔的字符串值
     *
     * @param strArray 字符串数组
     * @return 逗号分隔的字符串
     */
    public static String getStringByArray(String... strArray) {
        if (strArray == null) {
            return "";
        }
        StringBuilder buffer = new StringBuilder(strArray.length * 10);
        for (String str : strArray) {
            buffer.append(str).append(",");
        }
        buffer.deleteCharAt(buffer.length() - 1);
        return buffer.toString();
    }

    /**
     * xml内容特殊符号替换
     *
     * @param xml xml字符串
     * @return 替换后的xml
     */
    public static String textXML(String xml) {
        if (xml == null) {
            return "";
        }
        String content = xml;
        content = content.replaceAll("<", "&lt;");
        content = content.replaceAll(">", "&gt;");
        content = content.replaceAll("\"", "&quot;");
        content = content.replaceAll("\n", "</br>");
        return content;
    }

    /**
     * 构造排序条件
     *
     * @param order   排序方向
     * @param orderby 排序字段
     * @return 组装好的排序sql
     */
    public static String buildPageOrder(String order, String orderby) {
        if (isEmpty(orderby) || isEmpty(order)) {
            return "";
        }
        String[] orderByArray = org.apache.commons.lang.StringUtils.split(orderby, ',');
        String[] orderArray = org.apache.commons.lang.StringUtils.split(order, ',');
        if (orderArray.length != orderByArray.length) {
            throw new FlowLongException("分页多重排序参数中,排序字段与排序方向的个数不相等");
        }
        StringBuilder orderStr = new StringBuilder(30);
        orderStr.append(" order by ");

        for (int i = 0; i < orderByArray.length; i++) {
            orderStr.append(orderByArray[i]).append(" ").append(orderArray[i]).append(" ,");
        }
        orderStr.deleteCharAt(orderStr.length() - 1);
        return orderStr.toString();
    }

    /**
     * 简单字符串匹配方法，支持匹配类型为：
     * *what *what* what*
     *
     * @param pattern 匹配模式
     * @param str     字符串
     * @return 是否匹配
     */
    public static boolean simpleMatch(String pattern, String str) {
        if (pattern == null || str == null) {
            return false;
        }
        int firstIndex = pattern.indexOf('*');
        if (firstIndex == -1) {
            return pattern.equals(str);
        }
        if (firstIndex == 0) {
            if (pattern.length() == 1) {
                return true;
            }
            int nextIndex = pattern.indexOf('*', firstIndex + 1);
            if (nextIndex == -1) {
                return str.endsWith(pattern.substring(1));
            }
            String part = pattern.substring(1, nextIndex);
            int partIndex = str.indexOf(part);
            while (partIndex != -1) {
                if (simpleMatch(pattern.substring(nextIndex), str.substring(partIndex + part.length()))) {
                    return true;
                }
                partIndex = str.indexOf(part, partIndex + 1);
            }
            return false;
        }
        return (str.length() >= firstIndex &&
                pattern.substring(0, firstIndex).equals(str.substring(0, firstIndex)) &&
                simpleMatch(pattern.substring(firstIndex), str.substring(firstIndex)));
    }
}
